How Should We Be Eating?The federal government's latest dietary guidelines emphasize balancing food intake with physical activity, and a new USDA food pyramid is meant to help people choose a healthy diet. But some critics of the pyramid have developed another set of guidelines they say will improve health. What goes into a healthy diet and a healthy lifestyle built around food and exercise?

The federal government's latest dietary guidelines emphasize balancing food intake with physical activity, and a new USDA food pyramid is meant to help people choose a healthy diet. But some critics of the pyramid have developed another set of guidelines they say will improve health. What goes into a healthy diet and a healthy lifestyle built around food and exercise?

Guests:

George Brooks, professor of exercise physiology and metabolism, University of California, Berkeley